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PSM to DUC: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Duncan (Halliburton Field)
1,569 mi
2,526 km · 1,364 nm
3h 33m
estimated nonstop flight time
-1h
time difference · heading west
See live PSM→DUC fares Phone-only fares on this route — call free
Flight time details
1,569 miles nonstop takes roughly 3h 33m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- DUC — Halliburton Field · Duncan, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Near DUC
Frequently asked questions
How far is PSM from DUC?
The flight distance from Portsmouth (PSM) to Duncan (DUC) is 1,569 miles (2,526 km, 1,364 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to DUC?
A nonstop flight takes about 3h 33m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from PSM to DUC?
Nonstop service on PSM–DUC depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 33m nonstop estimate.
What is the time difference between Portsmouth and Duncan?
Duncan is 1 hour behind Portsmouth.
What is the cheapest way to fly from PSM to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–DUC that never appear on search engines, with no booking fees.
Why are some PSM to DUC fares phone-only?
Consolidator contracts let us sell certain PSM–DUC tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.